Question 1

Which of the following best explains why most people do not successfully lose weight and maintain the loss, according to Set Point Theory?

Accepted Answer

Because the body has a genetically programmed weight range that it defends through biological mechanisms such as metabolism and hunger.

Question 2

A 35-year-old male has a waist circumference of 42 inches and a BMI of 31 kg/m$^2$. Which of the following statements is most accurate regarding his health risk?

Accepted Answer

He is at increased risk for chronic diseases due to both elevated BMI and waist circumference.

Question 3

Which of the following is a primary function of brown adipose tissue (BAT) in humans?

Accepted Answer

Releasing stored energy as heat, especially in cold environments.

Question 4

A patient is prescribed orlistat (Xenical, Alli) for weight loss. What is the primary mechanism by which this medication induces weight loss?

Accepted Answer

It inhibits lipid absorption in the gastrointestinal tract.

Question 5

Which of the following is NOT a recommended healthy weight-gain strategy for underweight individuals?

Accepted Answer

Restricting food intake to avoid excess calories.

Question 6

Which equation is used to calculate Body Mass Index (BMI)?

Accepted Answer

$BMI = \frac{weight\ (kg)}{height^2\ (m^2)}$

Question 7

Which of the following statements about leptin is correct?

Accepted Answer

Leptin is produced by adipose tissue and suppresses appetite when fat stores increase.

Question 8

A person loses 10% of their body weight over 6 months by maintaining a daily caloric deficit. What is the recommended minimum daily caloric intake to ensure vitamin and mineral adequacy?

Accepted Answer

1,200 kcal/day

Question 9

Which of the following is a risk associated with aggressive weight loss methods such as fad diets and unregulated supplements?

Accepted Answer

Potential for vitamin and mineral deficiencies.

Question 10

Which of the following best describes the relationship between adipokines and chronic disease?

Accepted Answer

Adipokines produced by adipose tissue contribute to insulin resistance and chronic inflammation, increasing risk for diseases such as CVD and diabetes.

Question 11

Which of the following is a key principle of the Health at Every Size (HAES) movement?

Accepted Answer

Promoting health equity and ending weight discrimination regardless of body size.

Question 12

Which of the following factors can increase ghrelin production, potentially leading to increased appetite?

Accepted Answer

Lack of sleep and food restriction.

Question 13

A patient with a BMI of 42 kg/m$^2$ and type 2 diabetes is considering bariatric surgery. Which of the following is a benefit of bariatric surgery for this patient?

Accepted Answer

Dramatic improvements in insulin sensitivity and blood lipid profile, even before significant weight loss occurs.

Question 14

Which of the following is a characteristic of obesogenic environments?

Accepted Answer

They encourage overeating and low physical activity.

Question 15

Which of the following is a recommended strategy for healthy weight loss?

Accepted Answer

Combining a health-promoting diet, physical activity, and psychosocial support.

Question 16

Which of the following statements about adipocyte development is correct?

Accepted Answer

Fat cells increase in number during growth and are replaced at a rate of about 10% per year.

Question 17

Which of the following is a plausible reason why people with extra adipocytes regain weight more easily after weight loss?

Accepted Answer

Their adipose cells shrink during weight loss but remain in the body, ready to store fat again.

Question 18

Which of the following is NOT a common fad diet or weight loss gimmick?

Accepted Answer

The Mediterranean diet.

Question 19

Which of the following is a psychological benefit of regular physical activity in weight management?

Accepted Answer

Increased self-esteem and stress reduction.

Question 20

Which of the following is a correct statement about the U-shaped curve relating BMI and mortality?

Accepted Answer

Mortality risk increases as BMI declines below normal and as BMI rises above normal.

Weight Management: Overweight, Obesity, and Underweight (Chapter 9 Study Notes)

Study Guide - Practice Questions

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